Cushion for sliding-side cribs



w. B. FOSTER. CUSHION FOR SLIDING SIDE CRIBS.

APPLICATION FILED APR. 16 1919.

1,345,485. t t d uly 6, 1920.

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.WILLZIVAVMIB. FOSTER, or n'rIcA, YORK, Assrenon 'rqrostrum mo'rnnns, MANU- ,rno'runmecomrnny, R TI NEWY R ,.A. CORPORATION- A plication filed April 1e,"1a1aflseri a1nb. 290,519.

' H N' 7 w s-w 9 33 To all whom; it may] concern Be it known'that 'I,- WVIL'LI M B. FOSTER, v v

Referring to drawings in'a moreparticular description ltwill be seen there sshown.

a citizen of the United States,- and a resi: dent of the city of Utica, in the county of Oneida and State of New York, have in vented certain new and useful Im rove-Y ments in CushionsforSliding-Side and I do hereby jdeclarethat the following I V secured to the lower partfof the corner post is a full, clear, and exact description thereof,which"will enable'others skilled in the art'to which itappertainsto make and use the same, reference being had-to the ac'companying 1 drawings, and to the referencenumerals marked thereon, which form part of thisspecification. 7

My present invention relates to cushioned joints for sliding'side-crib's. i

The purpose of my invention'is to provide an" improved cushioned joint whereby the descent of the sliding side of] aj crib' is cushioned at the end ofiits travel to prevent jar, vibration and noise/*A'further object of my invention is to provide "a device of f the character describedwhich is simple in construction "and operation, readily applied to "the crib either when first made orwhen replaced and which will be highly efiicient in operation. r

Another aim of tlllS invention is to provide an article of'the class described which willnot interfere with the usual or ready operation of thesl'iding side and at the same time'will be automaticin operation,

that is the cushion will positively repositionitself when the weight of the side is re-' moved from the cushion so that the cushion is ready without attention from the operator for the next movement of the sliding side.

Further purposes and advantages of my 7 invention will appear from the specification the side has engaged the cushion but before the cushion has yielded under the Weight thereof. a

Fig. 2 is a view partly in side elevation and partly in vertical section of the cushion andadjacent parts in the same position.

Fig. 3 is a View similar to Fig. 2 but with the cushion compressed. Fig. 4 is a top or bottom view of the cushion.

e Specification of iietteris iratent. I

ribs 3 theretoby suitable means as by a screw 10. f The sliding side designated in general a the cushion member.

' Pat-exited Jui c.1920;

5' is a horizontal central section through the sa d. cushion.

ing secured to a bracket 8 which in turn is '6 while the upper end of the guide rod is secured to the upper part of the corner-post as by. havingth'e upper end 9 of saidguide rod bent toward and extended to the adjacent part of said corner" ost and secured by the numeral 11 is composed of suitable vertical filling bars 12 and horizontal rods" 13 at'the top'an'd bottom'of said sides. The

ends of these "horizontal rods 13 are provided with' eyes 14: through which extend the guiderOdsrTof thecrib whereby in obvious manner the side 11 is slidingly ber '15 preferably spherical in general outline and conveniently and preferably formed of a hollow rubber ball. This cushion member or rubber ball 15 is provided with upper and lower apertures16' of a shape and size slidingly fitting the "guide rod 7 which extends'through the cushion member. "At its aperture 16 the ball fits the giuide'rod 7 loosely enough to slide fairly readily thereon buttightenough to have the air confined within the ball escape only gradually when the ball is com pressed through the dropping of the sliding side. Due to this sliding fit of the rubber ball upon the guide rod 7 and also to the collapsible character of the material and construction of the cushion member 15, said rod 13 intocontact with the upper part'of Under the sharp impact from the sliding side the cushion member will first yield to a considerable extent through the yielding character of its side walls. and throu h the air confined therein; being compr'esse .by the compression of said I cushion member. The construction of the cushion and the fit thereof upon the guide.

rod? is such that the air compressed within the cushion will not escape at once but will take an appreciable time to escape afterthe weight of the side is received. In other words, the descent of theside will be cush- V ioned first by theball partly collapsing and placing the air therein under pressure and then more gradually and slowly CO1-' lapsing as the air compressed therein escapes. This will result in a very slow final collapseof' the cushion. Infthis way all I or overcome and the sliding side even though dropped from-the top of its travel tothe bottom will be properly cushioned and: will makeno noise or unpleasant vibration. r

jar, vibration and noise is entirely prevented The construction of the cushioned member '15 and :its fit upon the rod-7 is such" that if theHweight-of the sliding side is removedfrom the collapsed cushion, said cushion willofits own accord expand again; -to ts natural or spherical shape duevtothe 1' resiliency of the cushion and its tendency toresume its normalshape. This tendency to resume its normal shape will be strong enough to slide the upper part of the ball upon the guide rod 7 during which process the next downward movement of the sliding ber 15 and in order to get a better sliding fit of'the. desired tightness upon the guide rod 7, the topand bottom of said member willabe' provided with axially extending I flanges 17 spaced a little from the guide rod 1 7 and at the endthereof with a diaphragm diaphragms 18 'tures' 16.

18 extending in to the'guide rod. In these Itwi'll now be seen that I have produced a cushion j oint for sliding side cribs having the advantages andwell fulfiling the purposes, set forth at the'beginning of this -.-specification. 1 v

are providedthe aper It will be noted particularly V lcushion'members 15 may be readily-mounted upon the guide rod'j7 'when the crib is being assembledby 'the 'rnerchant or user and that the said cushion members may-be readily. removed andreplaced as occasion requires. 'Itis found, however, from'use and experimenting that a set of'rubberballs will last a good ,many months before they become too distorted or worn to'be.efi'eog tual. c V 1 .e

What I claim as new and desireto secure by Letters Patent is: 1

1 1. A cushioning device adapted to be in terposed between approaching members, con sisting of a hollow,. air-filled, collapsible and resilient memberhaving two. oppositely disposed openings and a guide rod extending contraction, and g'expansion; thereof lengthwise of said rod, said hollow member ,fitting said guide rod so as to allow the gradual escape ofair therefrom as the menu-V ber is compressed and to allow the gradual. inflow of air theretowhen the weight is removed and the cushion expands. v

2. The combination ma CIlbBQf a SllCllIlg slde havmg horizontal bars, :vert calguide i rods at each end ofthe crib on which the horizontal bars of' the side are ,slidingly i mounted, hollow, air-filled, collapsible and V resilient rubber balls having, perforations at their tops and bottoms whereby, the balls are'imounted, on said guiderods at thebot tom of the travel ofone of the hor i zontal bars ofthe sideand will cushion the descent of the side by yielding through compression Y of the air within the balls and through the gradualescape of the air therefrom about the guide rod, said ballsbeing adaptedto resumetheir expanded shap e and become filled .with air upon removal of; the weight of the side.

' WIL AM'B-msrE -f .f In witness whereof IIha ve affixed my signature, this 3rdday of March,'19l9;-

65 ing through said openings and holding said gcollapsible member in position. butallow- 

